But I still don't think that any of that would lead one to think that "evolution has stopped". Even if you step back to only focus on what you describe as "the lower educated, lower income" people, there's still competition for reproductive success within that group. If nothing else, sexual selection is still a factor, even if survival selection isn't as much a factor.
Another thing to consider is the "red queen" theory that human evolution and the evolution of pathogens are locked into a (more or less) permanent "arms race". I don't know that anybody knows for sure that that theory is true, but if it has merit, that's another reason to believe that we are still evolving on some level.
The alternative is to actively promote reproduction of the successful... which sounds, quite rightly, like eugenics. It's a nasty paradox.
[1] https://www.youtube.com/watch?v=d43gKl9xIME [2] https://en.wikipedia.org/wiki/Quiverfull
That may be, but evolution doesn't answer to our conscious desires and ideas of social good or progress. It really is just "the blind watchmaker". What we evolve into isn't "good" or "bad", it just "is". Or at least that's the way I look at it.